contestada

Which of the following are solutions to the equation below?
Check all that apply.
9x2 - 2x + 25 = 8x2 + 8x

A.25
B.4
C.5
D.-5
E.-3
F.6

Respuesta :

unicorn3125

Answer:

         C. 5

Step-by-step explanation:

[tex]9x^2 - 2x + 25 = 8x^2 + 8x\\\\9x^2 - 2x + 25 - 8x^2 - 8x = 0\\\\x^2-10x+25=0\\\\x^2-2\cdot x\cdot5+5^2=0\\\\(x-5)^2=0\\\\x-5=0\\\\x=5[/tex]

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